/*
 * Thickbox 3.1 - One Box To Rule Them All.
 * By Cody Lindley (http://www.codylindley.com)
 * Copyright (c) 2007 cody lindley
 * Licensed under the MIT License: http://www.opensource.org/licenses/mit-license.php
*/

//(function(jQuery) {
	var tb_pathToImage = "../images/loadingAnimation.gif";
	/*!!!!!!!!!!!!!!!!! edit below this line at your own risk !!!!!!!!!!!!!!!!!!!!!!!*/

	//on page load call tb_init
	$j(document).ready( function() {   
		tb_init('a.thickbox, area.thickbox, input.thickbox');//pass where to apply thickbox
		imgLoader = new Image();// preload image
		imgLoader.src = tb_pathToImage;
	});

	//add thickbox to href & area elements that have a class of .thickbox
	function tb_init(domChunk){
		$j(domChunk).click( function() {
			var t = this.title || this.name || null;
			var a = this.href || this.alt;
			var g = this.rel || false;
			tb_show(t,a,g);
			this.blur();
			return false;
		});
	}

	function tb_show(caption, url, imageGroup) { //function called when the user clicks on a thickbox link
		try {
			if( typeof document.body.style.maxHeight === "undefined" ) {//if IE 6
				$j("body","html").css({height: "100%", width: "100%"});
				$j("html").css("overflow","hidden");
				if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
					$j("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
					$j("#TB_overlay").click(tb_remove);
				}
			} else { //all others
				if( document.getElementById("TB_overlay") === null ){
					$j("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
					$j("#TB_overlay").click(tb_remove);
				}
			}
			
			if( tb_detectMacXFF() ) {
				$j("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
			} else {
				$j("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
			}
			
			if( caption===null ) { caption=""; }
			$j("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
			$j('#TB_load').show();//show loader
			
			var baseURL;
			if( url.indexOf("?")!==-1 ){ //ff there is a query string involved
				baseURL = url.substr(0, url.indexOf("?"));
			} else { 
				baseURL = url;
			}
			
			var urlString = /\.jpg$|\.jpeg$|\.png$|\.gif$|\.bmp$/;
			var urlType = baseURL.toLowerCase().match(urlString);
			
			if( urlType == '.jpg' || urlType == '.jpeg' || urlType == '.png' || urlType == '.gif' || urlType == '.bmp' ) { //code to show images
				TB_PrevCaption = "";
				TB_PrevURL = "";
				TB_PrevHTML = "";
				TB_NextCaption = "";
				TB_NextURL = "";
				TB_NextHTML = "";
				TB_imageCount = "";
				TB_FoundURL = false;
				if( imageGroup ) {
					TB_TempArray = $j("a[rel="+imageGroup+"]").get(); // no a[@rel is available!!! jq 1.3.x fix
					for( TB_Counter = 0; ((TB_Counter < TB_TempArray.length) && (TB_NextHTML === "")); TB_Counter++ ) {
						var urlTypeTemp = TB_TempArray[TB_Counter].href.toLowerCase().match(urlString);
							if (!(TB_TempArray[TB_Counter].href == url)) {						
								if (TB_FoundURL) {
									TB_NextCaption = TB_TempArray[TB_Counter].title;
									TB_NextURL = TB_TempArray[TB_Counter].href;
									TB_NextHTML = "<span id='TB_next'>&nbsp;&nbsp;<a href='#'>Next &gt;</a></span>";
								} else {
									TB_PrevCaption = TB_TempArray[TB_Counter].title;
									TB_PrevURL = TB_TempArray[TB_Counter].href;
									TB_PrevHTML = "<span id='TB_prev'>&nbsp;&nbsp;<a href='#'>&lt; Prev</a></span>";
								}
							} else {
								TB_FoundURL = true;
								TB_imageCount = "Image " + (TB_Counter + 1) +" of "+ (TB_TempArray.length);											
							}
					}
				}
				imgPreloader = new Image();
				imgPreloader.onload = function() {
					imgPreloader.onload = null;
					// Resizing large images - orginal by Christian Montoya edited by me.
					var pagesize = tb_getPageSize();
					var x = pagesize[0] - 150;
					var y = pagesize[1] - 150;
					var imageWidth = imgPreloader.width;
					var imageHeight = imgPreloader.height;
					if( imageWidth > x ) {
						imageHeight = imageHeight * (x / imageWidth); 
						imageWidth = x; 
						if( imageHeight > y ) { 
							imageWidth = imageWidth * (y / imageHeight); 
							imageHeight = y; 
						}
					} else if (imageHeight > y) { 
						imageWidth = imageWidth * (y / imageHeight); 
						imageHeight = y; 
						if( imageWidth > x ) {
							imageHeight = imageHeight * (x / imageWidth); 
							imageWidth = x;
						}
					}
					// End Resizing
					
					TB_WIDTH = imageWidth + 30;
					TB_HEIGHT = imageHeight + 60;
					$j("#TB_window").append("<a href='' id='TB_ImageOff' title='Close'><img id='TB_Image' src='"+url+"' width='"+imageWidth+"' height='"+imageHeight+"' alt='"+caption+"'/></a>" + "<div id='TB_caption'>"+caption+"<div id='TB_secondLine'>" + TB_imageCount + TB_PrevHTML + TB_NextHTML + "</div></div><div id='TB_closeWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div>"); 		
					$j("#TB_closeWindowButton").click(tb_remove);
					
					if (!(TB_PrevHTML === "")) {
						function goPrev(){
							if($j(document).unbind("click",goPrev)){$j(document).unbind("click",goPrev);}
							$j("#TB_window").remove();
							$j("body").append("<div id='TB_window'></div>");
							tb_show(TB_PrevCaption, TB_PrevURL, imageGroup);
							return false;	
						}
						$j("#TB_prev").click(goPrev);
					}
					
					if (!(TB_NextHTML === "")) {		
						function goNext(){
							$j("#TB_window").remove();
							$j("body").append("<div id='TB_window'></div>");
							tb_show(TB_NextCaption, TB_NextURL, imageGroup);				
							return false;	
						}
						$j("#TB_next").click(goNext);
					}
					document.onkeydown = function(e){ 	
						if( e == null ) { // ie
							keycode = event.keyCode;
						} else { // mozilla
							keycode = e.which;
						}
						if( keycode == 27 ) { // close
							tb_remove();
						} else if(keycode == 190){ // display previous image
							if(!(TB_NextHTML == "")){
								document.onkeydown = "";
								goNext();
							}
						} else if(keycode == 188){ // display next image
							if(!(TB_PrevHTML == "")){
								document.onkeydown = "";
								goPrev();
							}
						}	
					};
					
					tb_position();
					$j("#TB_load").remove();
					$j("#TB_ImageOff").click(tb_remove);
					$j("#TB_window").css({display:"block"}); //for safari using css instead of show
				};
				
				imgPreloader.src = url;
			} else { //code to show html
				var queryString = url.replace(/^[^\?]+\??/,'');
				var params = tb_parseQuery( queryString );
				
				TB_WIDTH = (params['width']*1) + 30 || 630; //defaults to 630 if no paramaters were added to URL
				TB_HEIGHT = (params['height']*1) + 40 || 440; //defaults to 440 if no paramaters were added to URL
				ajaxContentW = TB_WIDTH - 30;
				ajaxContentH = TB_HEIGHT - 45;
				
				if(url.indexOf('TB_iframe') != -1) { // either iframe or ajax window		
					urlNoQuery = url.split('TB_');
					$j("#TB_iframeContent").remove();
					if(params['modal'] != "true"){//iframe no modal
						$j("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton' title='Close'>close</a> or Esc Key</div></div><iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;' > </iframe>");
					} else { //iframe modal
						$j("#TB_overlay").unbind();
						$j("#TB_window").append("<iframe frameborder='0' hspace='0' src='"+urlNoQuery[0]+"' id='TB_iframeContent' name='TB_iframeContent"+Math.round(Math.random()*1000)+"' onload='tb_showIframe()' style='width:"+(ajaxContentW + 29)+"px;height:"+(ajaxContentH + 17)+"px;'> </iframe>");
					}
				} else { // not an iframe, ajax
					if( $j("#TB_window").css("display") != "block" ) {
						if(params['modal'] != "true"){//ajax no modal
						$j("#TB_window").append("<div id='TB_title'><div id='TB_ajaxWindowTitle'>"+caption+"</div><div id='TB_closeAjaxWindow'><a href='#' id='TB_closeWindowButton'>close</a> or Esc Key</div></div><div id='TB_ajaxContent' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px'></div>");
						}else{//ajax modal
						$j("#TB_overlay").unbind();
						$j("#TB_window").append("<div id='TB_ajaxContent' class='TB_modal' style='width:"+ajaxContentW+"px;height:"+ajaxContentH+"px;'></div>");	
						}
					} else {//this means the window is already up, we are just loading new content via ajax
						$j("#TB_ajaxContent")[0].style.width = ajaxContentW +"px";
						$j("#TB_ajaxContent")[0].style.height = ajaxContentH +"px";
						$j("#TB_ajaxContent")[0].scrollTop = 0;
						$j("#TB_ajaxWindowTitle").html(caption);
					}
				}
				
				$j("#TB_closeWindowButton").click(tb_remove);
				if(url.indexOf('TB_inline') != -1) {
					$j("#TB_ajaxContent").append($j('#' + params['inlineId']).children());
					$j("#TB_window").unload(function () {
						$j('#' + params['inlineId']).append( $j("#TB_ajaxContent").children() ); // move elements back when you're finished
					});
					tb_position();
					$j("#TB_load").remove();
					$j("#TB_window").css({display:"block"}); 
				} else if (url.indexOf('TB_iframe') != -1){
					tb_position();
					if($.browser.safari) { //safari needs help because it will not fire iframe onload
						$j("#TB_load").remove();
						$j("#TB_window").css({display:"block"});
					}
				} else {
					$j("#TB_ajaxContent").load(url += "&random=" + (new Date().getTime()),function(){//to do a post change this load method
						tb_position();
						$j("#TB_load").remove();
						tb_init("#TB_ajaxContent a.thickbox");
						$j("#TB_window").css({display:"block"});
					});
				}
			}
			if(!params['modal']){
				document.onkeyup = function(e){ 	
					if (e == null) { // ie
						keycode = event.keyCode;
					} else { // mozilla
						keycode = e.which;
					}
					if(keycode == 27){ // close
						tb_remove();
					}	
				};
			}
		} catch(e) {
			//nothing here
		}
	}

	//helper functions below
	function tb_showIframe(){
		$j("#TB_load").remove();
		$j("#TB_window").css({display:"block"});
	}

	function tb_remove() {
		$j("#TB_imageOff").unbind("click");
		$j("#TB_closeWindowButton").unbind("click");
		$j("#TB_window").fadeOut("fast",function(){$j('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();});
		$j("#TB_load").remove();
		if (typeof document.body.style.maxHeight == "undefined") { //if IE 6
			$j("body","html").css({height: "auto", width: "auto"});
			$j("html").css("overflow","");
		}
		document.onkeydown = "";
		document.onkeyup = "";
		return false;
	}

	function tb_position() {
		$j("#TB_window").css({marginLeft: '-' + parseInt((TB_WIDTH / 2),10) + 'px', width: TB_WIDTH + 'px'});
		if ( !(jQuery.browser.msie && jQuery.browser.version < 7)) { // take away IE6
			$j("#TB_window").css({marginTop: '-' + parseInt((TB_HEIGHT / 2),10) + 'px'});
		}
	}

	function tb_parseQuery( query ) {
		var Params = {};
		if ( ! query ) {return Params;}// return empty object
		var Pairs = query.split(/[;&]/);
		for ( var i = 0; i < Pairs.length; i++ ) {
			var KeyVal = Pairs[i].split('=');
			if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
			var key = unescape( KeyVal[0] );
			var val = unescape( KeyVal[1] );
			val = val.replace(/\+/g, ' ');
			Params[key] = val;
		}
		return Params;
	}

	function tb_getPageSize(){
		var de = document.documentElement;
		var w = window.innerWidth || self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
		var h = window.innerHeight || self.innerHeight || (de && de.clientHeight) || document.body.clientHeight;
		arrayPageSize = [w,h];
		return arrayPageSize;
	}

	function tb_detectMacXFF() {
		var userAgent = navigator.userAgent.toLowerCase();
		if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox')!=-1) {
			return true;
		}
	}
//})(jQuery);